Dahama, O.P.. <br/><br/>
Educational and Communication for Development /  

 - Second Ed. /  
 - New Delhi-1 :   Oxford  & IBH Publishing Co. Pvt. Ltd.. 
 - p.734,xxi :  
<br/><br/><label>ISBN: </label>81-204-0030-5 
<br/><br/><label>Dewey Class. No.: </label>T9(Y31)  / M5;2